EP1634614A3 - Befeuchtungssystem für einen Respirator - Google Patents

Befeuchtungssystem für einen Respirator Download PDF

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Publication number
EP1634614A3
EP1634614A3 EP05026603A EP05026603A EP1634614A3 EP 1634614 A3 EP1634614 A3 EP 1634614A3 EP 05026603 A EP05026603 A EP 05026603A EP 05026603 A EP05026603 A EP 05026603A EP 1634614 A3 EP1634614 A3 EP 1634614A3
Authority
EP
European Patent Office
Prior art keywords
flow
probe
gases
patient
sensors
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP05026603A
Other languages
English (en)
French (fr)
Other versions
EP1634614A2 (de
Inventor
Lewis George Gradon
Paul John Seakins
Stephen William Mcphee
Peter John Leonard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fisher and Paykel Healthcare Ltd
Original Assignee
Fisher and Paykel Healthcare Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fisher and Paykel Healthcare Ltd filed Critical Fisher and Paykel Healthcare Ltd
Priority claimed from EP04028027A external-priority patent/EP1514570B1/de
Publication of EP1634614A2 publication Critical patent/EP1634614A2/de
Publication of EP1634614A3 publication Critical patent/EP1634614A3/de
Withdrawn legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/10Preparation of respiratory gases or vapours
    • A61M16/1075Preparation of respiratory gases or vapours by influencing the temperature
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/08Bellows; Connecting tubes ; Water traps; Patient circuits
    • A61M16/0816Joints or connectors
    • A61M16/0841Joints or connectors for sampling
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/10Preparation of respiratory gases or vapours
    • A61M16/1075Preparation of respiratory gases or vapours by influencing the temperature
    • A61M16/109Preparation of respiratory gases or vapours by influencing the temperature the humidifying liquid or the beneficial agent
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/10Preparation of respiratory gases or vapours
    • A61M16/1075Preparation of respiratory gases or vapours by influencing the temperature
    • A61M16/1095Preparation of respiratory gases or vapours by influencing the temperature in the connecting tubes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/10Preparation of respiratory gases or vapours
    • A61M16/14Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
    • A61M16/16Devices to humidify the respiration air
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/10Preparation of respiratory gases or vapours
    • A61M16/14Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
    • A61M16/16Devices to humidify the respiration air
    • A61M16/161Devices to humidify the respiration air with means for measuring the humidity
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/68Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
    • G01F1/684Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/0051Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes with alarm devices
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/0057Pumps therefor
    • A61M16/0066Blowers or centrifugal pumps
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/021Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes operated by electrical means
    • A61M16/022Control means therefor
    • A61M16/024Control means therefor including calculation means, e.g. using a processor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/0003Accessories therefor, e.g. sensors, vibrators, negative pressure
    • A61M2016/003Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter
    • A61M2016/0033Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical
    • A61M2016/0039Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical in the inspiratory circuit
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/33Controlling, regulating or measuring
    • A61M2205/3368Temperature

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Emergency Medicine (AREA)
  • Pulmonology (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Air Humidification (AREA)
  • Measuring Volume Flow (AREA)
EP05026603A 1997-06-17 1998-06-17 Befeuchtungssystem für einen Respirator Withdrawn EP1634614A3 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NZ32811697 1997-06-17
EP04028027A EP1514570B1 (de) 1997-06-17 1998-06-17 Befeuchtungssystem für einen Respirator
EP03009398A EP1329240A1 (de) 1997-06-17 1998-06-17 Befeuchtungssystem für einen Respirator

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP04028027A Division EP1514570B1 (de) 1997-06-17 1998-06-17 Befeuchtungssystem für einen Respirator

Publications (2)

Publication Number Publication Date
EP1634614A2 EP1634614A2 (de) 2006-03-15
EP1634614A3 true EP1634614A3 (de) 2008-08-27

Family

ID=39021263

Family Applications (3)

Application Number Title Priority Date Filing Date
EP09174385.6A Expired - Lifetime EP2143459B1 (de) 1997-06-17 1998-06-17 Befeuchtungssystem für einen Respirator
EP05026603A Withdrawn EP1634614A3 (de) 1997-06-17 1998-06-17 Befeuchtungssystem für einen Respirator
EP05027503.1A Expired - Lifetime EP1647297B1 (de) 1997-06-17 1998-06-17 Befeuchtungssystem für einen Respirator

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP09174385.6A Expired - Lifetime EP2143459B1 (de) 1997-06-17 1998-06-17 Befeuchtungssystem für einen Respirator

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP05027503.1A Expired - Lifetime EP1647297B1 (de) 1997-06-17 1998-06-17 Befeuchtungssystem für einen Respirator

Country Status (1)

Country Link
EP (3) EP2143459B1 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101537221A (zh) * 2008-03-06 2009-09-23 雷斯梅德有限公司 呼吸气体的湿化
US9802022B2 (en) * 2008-03-06 2017-10-31 Resmed Limited Humidification of respiratory gases
EP3398642B1 (de) 2008-05-27 2020-07-22 Fisher & Paykel Healthcare Limited Kontrolle der temperatur einer befeuchterkammer zur genauen feuchtigkeitskontrolle
CA2784852C (en) * 2009-12-23 2018-02-27 Fisher & Paykel Healthcare Limited Humidified gases delivery apparatus and methods for controlling same
CN114099875B (zh) 2011-06-03 2025-02-25 费雪派克医疗保健有限公司 医用管和制造方法
GB2516181B (en) 2012-03-15 2016-12-21 Fisher & Paykel Healthcare Ltd Respiratory gas humidification system
CN105339032B (zh) 2012-12-04 2018-10-19 费雪派克医疗保健有限公司 医用管以及其制造方法
GB2580554B (en) 2013-09-13 2020-12-30 Fisher & Paykel Healthcare Ltd Connections for humidification system
EP3895750B8 (de) 2013-09-13 2024-12-18 Fisher & Paykel Healthcare Limited Befeuchtungssystem
US10814091B2 (en) 2013-10-24 2020-10-27 Fisher & Paykel Healthcare Limited System for delivery of respiratory gases
HUE062413T2 (hu) 2013-12-20 2023-10-28 Fisher & Paykel Healthcare Ltd Párásító rendszer csatlakozásai
US10449319B2 (en) 2014-02-07 2019-10-22 Fisher & Paykel Healthcare Limited Respiratory humidification system
AU2015232050B2 (en) 2014-03-17 2020-01-23 Fisher & Paykel Healthcare Limited Medical tubes for respiratory systems
CN104001253A (zh) * 2014-05-09 2014-08-27 广州医科大学附属第一医院 一种有/无创机械通气气体湿化加温系统及其方法
NZ729346A (en) * 2014-09-03 2022-07-01 Fisher & Paykel Healthcare Ltd Deterministically controlled humidification system
CN108348724A (zh) * 2015-06-16 2018-07-31 费雪派克医疗保健有限公司 用于呼吸辅助系统的适配器以及可用性特征
US10960167B2 (en) 2015-09-09 2021-03-30 Fisher & Paykel Healthcare Limited Zone heating for respiratory circuits
CN117482350A (zh) 2016-10-11 2024-02-02 菲舍尔和佩克尔保健有限公司 用于检测增湿系统中的连接错误的方法
DE102018214557A1 (de) 2018-08-28 2020-03-05 Hamilton Medical Ag Beatmungsvorrichtung mit Rain-Out-Schutz in der Patientenschnittstelle
DE102018214556A1 (de) * 2018-08-28 2020-03-05 Hamilton Medical Ag Beatmungsvorrichtung mit verbesserter Befeuchtung des Atemgases
CN109793970A (zh) * 2019-03-26 2019-05-24 丁玉慧 一种内科诊断监测呼吸装置
AU2020251273B2 (en) 2019-03-29 2025-11-06 Fisher & Paykel Healthcare Limited Systems and methods of detecting incorrect connections in a humidification system
CN109999306A (zh) * 2019-04-09 2019-07-12 天津怡和嘉业医疗科技有限公司 用于管路的加热组件、加热管路以及通气治疗设备
CN116075333A (zh) * 2020-08-24 2023-05-05 费雪派克医疗保健有限公司 加湿器系统中的超焓保护
CN116123726B (zh) * 2022-12-13 2026-03-17 天津怡和嘉业医疗科技有限公司 温度控制方法、装置、通气设备及可读存储介质

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1294808A (en) * 1971-08-19 1972-11-01 Philips Electronic Associated Temperature-controlled gas humidifier for a medical ventilator
US4051205A (en) * 1972-09-13 1977-09-27 Graham Cameron Grant Apparatus for saturated gas delivery
US4682010A (en) * 1983-03-07 1987-07-21 Safeway Products, Inc. In-line electric heater for an aerosol delivery system
US4708831A (en) * 1985-05-22 1987-11-24 Fisher & Paykel Limited Methods of and/or apparatus for humidifying gases
US5031612A (en) * 1990-04-24 1991-07-16 Devilbiss Health Care, Inc. System and method for delivering warm humidified air
US5062145A (en) * 1988-09-29 1991-10-29 Fisher & Paykel Limited Humidifying apparatus
US5163423A (en) * 1990-11-30 1992-11-17 Origin Medical Instrument Co., Ltd. Humidifier
US5558084A (en) * 1991-10-04 1996-09-24 Fisher & Paykel Limited Humidifier with delivery tube condensation preventing structure and control

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4621632A (en) 1984-11-01 1986-11-11 Bear Medical Systems, Inc. Humidifier system
DE69430303T2 (de) * 1991-03-05 2002-11-28 Aradigm Corp Verfahren und vorrichtung zur korrektur eines nullsignals eines drucksensors fur einen durchflussmesser
AU1486395A (en) * 1994-03-15 1995-09-21 Fisher & Paykel Limited Respiratory air supply system with airflow dependent humidity

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1294808A (en) * 1971-08-19 1972-11-01 Philips Electronic Associated Temperature-controlled gas humidifier for a medical ventilator
US4051205A (en) * 1972-09-13 1977-09-27 Graham Cameron Grant Apparatus for saturated gas delivery
US4682010A (en) * 1983-03-07 1987-07-21 Safeway Products, Inc. In-line electric heater for an aerosol delivery system
US4708831A (en) * 1985-05-22 1987-11-24 Fisher & Paykel Limited Methods of and/or apparatus for humidifying gases
US5062145A (en) * 1988-09-29 1991-10-29 Fisher & Paykel Limited Humidifying apparatus
US5031612A (en) * 1990-04-24 1991-07-16 Devilbiss Health Care, Inc. System and method for delivering warm humidified air
US5163423A (en) * 1990-11-30 1992-11-17 Origin Medical Instrument Co., Ltd. Humidifier
US5558084A (en) * 1991-10-04 1996-09-24 Fisher & Paykel Limited Humidifier with delivery tube condensation preventing structure and control

Also Published As

Publication number Publication date
EP1647297A2 (de) 2006-04-19
EP1647297B1 (de) 2016-05-11
EP2143459B1 (de) 2013-08-14
EP1647297A3 (de) 2009-10-07
EP1634614A2 (de) 2006-03-15
EP2143459A1 (de) 2010-01-13

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